Other Related Exam

I have completed the SCJP2 exam. I am interested in taking other tests to promote learning new technologies. I have few years of OO and C++ experience. But little Java experience. Other thanSCJD, SCJA and IBM tests, are there other exams I can write to work in the internet/electronic Commerce area?. I am interested in Micrsoft Visual J++, BEA Systems etc., How can I finout if they offer any tests and how good they are. Have any of you have explored?. Thanks, Raj